Nevada County residents will have the opportunity to add a horse or burro to their families when the United States Bureau of Land Management brings its Wild Horse and Burro Adoption Program to the Nevada County Horsemen's Association.The event is from 8 a.m. to 5 p.m. Saturday, Aug. 28, at 10600 Bubbling Well Road (off Brunswick Road) in Grass Valley.The event will be open. Adoptions begin with silent bidding from 9 a.m. to 10 a.m. Animals not taken during bidding will be available for a $125 adoption fee.The BLM will offer about 10 halter-gentled horses, mostly yearlings, and two burros …